Canada's street supply of opioids is becoming increasingly toxic, unpredictable and contaminated thanks to ultra-potent and deadly mixtures of fentanyl, prompting renewed calls for safe supply programs that could help regain control of the drug supply.
With a new wave of COVID-19 infections fueled by the Delta variant striking countries worldwide, disease experts are scrambling to learn whether the latest version of coronavirus is making people - mainly the unvaccinated - sicker than before.
The rate of COVID-19 vaccinations in the United States continues to rise, a positive sign amid skyrocketing cases and hospitalizations after weeks of lagging inoculations.
According to the WHO, some 85 per cent of vaccines have been administered by rich countries. In contrast, 85 per cent of the world's 26 million refugees live in developing countries struggling to vaccinate even the most vulnerable.
A new study has found differences in which COVID-19 symptoms are experienced shortly after infection based on age and sex.
The Canadian Food Inspection Agency (CFIA) announced Friday that Montreal-based Nature's Touch Frozen Food is recalling various brands of frozen mangoes because they may be contaminated with the hepatitis A virus.
A new study by the U.S. Centers for Disease Control and Prevention showed that three-quarters of individuals who became infected with COVID-19 at public events in a Massachusetts county had been fully vaccinated.
A Thai hospital morgue overwhelmed by COVID-19 deaths has begun storing bodies in refrigerated containers, resorting to a measure it last took in a devastating 2004 tsunami, as the country grapples with its biggest coronavirus outbreak.
A Yale study that found that Canadian clinics were faster than the U.S. to provide opioid treatment during the COVID-19 pandemic highlights the ethical tightrope researchers must walk when studying addiction while using deception in their research gathering.
The U.S. Food and Drug Administration has expanded the emergency use authorization of Regeneron Pharmaceuticals Inc's COVID-19 antibody cocktail, enabling its use as a preventive treatment for the illness in certain people.
Canada is headed towards a fourth wave of COVID-19 infections, but how severe of a resurgence it'll be depends on how many people are fully vaccinated, warns new national modelling released Friday. The country is seeing an increase in new COVID-19 cases, and thousands more infections are predicted if contacts aren't contained, the modelling indicates.
The Delta coronavirus variant surging across the United States appears to cause more severe illness and spread as easily as chickenpox, according to an internal document from the U.S. Centers for Disease Control and Prevention.
The protection that vaccines give against coronavirus infection, and potentially severe disease, is highly likely to wane over time so vaccine campaigns will continue for years to come, scientists told the British government's advisory group.
The use of fentanyl, cannabis and methamphetamines spiked early in COVID-19 pandemic, according to a Statistics Canada study, which analyzed wastewater in major Canadian cities.
New research by experts at the European Central Bank and a German university has found that transmission of COVID-19 via banknotes is 'very unlikely.'
A growing number of children and teenagers are presenting with what appears to be a pediatric version of long-haul COVID-19, sparking support groups and calls for more research into the phenomenon.
More than 1,700 staff and teachers in the Vancouver School District were tracked for three months for a new study, their blood tested, looking for COVID-19 antibodies that would show they had been exposed -- and scientists say the infection rates were no higher than the general rate in the community.
Scientists and doctors across Canada and around the world have seen a dramatic drop in hospital cases of chronic lung diseases during the course of the pandemic and believe public health guidelines, like wearing a face mask, have helped halt the spread of common viruses that would typically trigger these serious respiratory illnesses.
Doctors are investigating rare cases of a heart inflammation called myocarditis that have emerged after mRNA vaccination, usually after a second dose, seeking to pin down how rare it is, and what the real risk is.
The novel coronavirus Delta variant, which has now been detected in 74 countries, is causing concern as it spreads, stalling re-opening campaigns abroad and raising questions in Canada, although new studies suggest that the current vaccines do provide some protection against infection and are effective at preventing hospitalization.
A new generation of supplements have become a billion-dollar business, containing antioxidants that slow the development of macular degeneration, a leading cause of blindness. But according to a researcher, many on the market may not contain the level of antioxidants that they claim on the label.
Ontario Public Health is reporting the first three cases of an inflammatory heart condition called myocarditis in people under the age of 18 after they received an mRNA vaccine for COVID-19.
Amid a rise in people developing a painful condition called pancreatitis, doctors are looking to a rare procedure to help patients with this chronic pain -- creating a ‘super liver’ using the patient’s own cells.
Canadians who have received mixed doses of a COVID-19 vaccine or a certain brand of AstraZeneca may face obstacles when travelling to countries that require proof of vaccination. CTVNews.ca examines what COVID-19 vaccines are recognized and where for those travelling abroad.
Despite the social distancing of the past 18 months, the use of dating apps in general has surged as people sought connections amid their isolation.
Individuals who recovered from COVID-19, including those who no longer had symptoms, exhibited significant 'cognitive deficits,' according to a large study out of the U.K.
New research by experts at the European Central Bank and a German university has found that transmission of COVID-19 via banknotes is 'very unlikely.'
Researchers from Lancaster University in the United Kingdom and the University of British Columbia observed a 'notable increase' in loneliness in the U.S. and a decline in general mental well-being in the U.K. following the outbreak of COVID-19.
Canada currently has enough doses of COVID-19 vaccines in the country to fully vaccinate every eligible person over the age of 12, with more than 66 million doses received as of Tuesday. While more than 26 million of the eligible 33 million Canadians have rolled up their sleeves, the push is now on to try to reach those who haven't.
Health Canada's latest weekly report on vaccinations shows at least 1.3 million Canadians opted for a mixed-dose finish to their COVID-19 vaccination schedule in June.
With Canada hitting several COVID-19 vaccination milestones and clinical trials underway testing the efficacy and safety of COVID-19 vaccines in children under 12 years of age, the question remains: when will all children become eligible to be vaccinated?
Canada's chief public health officer says without vaccines the third wave of COVID-19 in Canada would have been much deadlier.
The Ontario government says it's accelerating second COVID-19 vaccine doses for youth in order to support a safe return to school in September.
Three people are dead and two others are injured after gunshots were fired towards a residential building in Montreal's east end.
Mounties say a female tree planter was mauled to death by a bear in northern Alberta.
When a Calgary woman struggled to provide a proper sample to officers after 17 attempts, she said that's when they told her to remove part of her cultural outfit and open her clothing, an idea she was 'insulted' by.
RCMP officers found two men suffering from gunshot wounds on a busy commercial street on Saturday evening.
At a minute past midnight Sunday, more COVID-19 restrictions in Quebec were lifted including how late bars and restaurants could serve alcohol and festival capacities.
Delia Opekokew, who was the first Indigenous women to be admitted to the bar in both Saskatchewan and Ontario, reflects on her journey as both an advocate for residential school survivors and a survivor herself.
The District of Columbia's police department on Monday said two more police officers who responded to the Jan. 6 riot at the U.S. Capitol have died by suicide, bringing to four the number of known suicides by officers who guarded the building that day.
Firefighters gained more control over a wildfire in Hawaii that forced thousands of people to evacuate over the weekend and destroyed at least two homes on the Big Island, but officials warned that strong winds will return on Tuesday, raising the danger again.
North Korea is releasing emergency military rice reserves as its food shortage worsens, South Korea's spy agency said Tuesday, with a heat wave and drought reducing the country's supply.
Officials are closing some areas on the south shore of Lake Tahoe after some chipmunks tested positive for plague.
Court cases played out from North Carolina to Virginia to Ohio and beyond Monday as the eviction system, which saw a dramatic drop in cases before a federal moratorium expired over the weekend, rumbled back into action. Activists fear millions will be tossed onto the streets as the delta variant of the coronavirus surges.
As Turkish fire crews pressed ahead Tuesday with their weeklong battle against blazes tearing through forests and villages on the country's southern coast, President Recep Tayyip Erdogan's government faced increased criticism over its apparent poor response and inadequate preparedness for large-scale wildfires.
Zara Rutherford, 19, is on a global mission: to be the youngest woman to fly around the world.
The first openly transgender Olympian said on Tuesday she would retire from weightlifting and felt her landmark appearance at the Tokyo Games should be fast forgotten as sport takes greater strides to be more inclusive.
A giant panda on loan to France from China gave birth to two female twin cubs early Monday, a French zoo announced, declaring 'they are very lively, pink and plump.'
Toronto Raptors point guard Kyle Lowry has signed with the Miami Heat, ending his time with the Canadian team.
Angela Bailey, the Canadian women's record holder in the 100-metre sprint and an Olympic 4x100 relay silver medal winner, has died after battling cancer under complicated conditions. She was 59 years old.
Canada couldn't add to its medal haul overnight, missing the podium on day 11 of the Tokyo Olympics in Japan.
PepsiCo will sell Tropicana and other juices to a private equity firm in a US$3.3 billion deal.
Air travel in the U.S. is hitting new pandemic-era highs, and airlines are scrambling to keep up with the summer-vacation crowds.
Asian stock markets followed Wall Street lower on Tuesday as jitters about the spread of the coronavirus's delta variant dented enthusiasm about strong corporate profits.
Minivans are making a comeback, selling eight per cent above sticker price on average in the U.S. last month.
The once-tiny cottage industry of van conversion companies has found itself in the center of a distinctively pandemic-era dilemma: ravenous demand and monthslong backorders on virtually all supplies.
Luxury sports car maker Ferrari has surged back to second-quarter growth, posting a 206-million-euro (US$245 million) profit on Monday after seeing its earnings drop precipitously in the same period a year ago due to the pandemic shutdown.
